Date: Tue, 12 Apr 2016 20:59:43 +0000 (UTC) From: Warren Block <wblock@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r48576 - head/en_US.ISO8859-1/htdocs/news/status Message-ID: <201604122059.u3CKxhAV040895@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: wblock Date: Tue Apr 12 20:59:43 2016 New Revision: 48576 URL: https://svnweb.freebsd.org/changeset/doc/48576 Log: Add the powerpcspe arch port report from Justin Hibbits <jhibbits@FreeBSD.org>. Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2016-01-2016-03.xml Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2016-01-2016-03.xml ============================================================================== --- head/en_US.ISO8859-1/htdocs/news/status/report-2016-01-2016-03.xml Tue Apr 12 20:54:26 2016 (r48575) +++ head/en_US.ISO8859-1/htdocs/news/status/report-2016-01-2016-03.xml Tue Apr 12 20:59:43 2016 (r48576) @@ -204,7 +204,7 @@ <given>Rick</given> <common>Macklem</common> </name> - <email>rmacklem@freebsd.org</email> + <email>rmacklem@FreeBSD.org</email> </person> </contact> @@ -235,4 +235,46 @@ </task> </help> </project> + + <project cat='arch'> + <title>powerpcspe target</title> + + <contact> + <person> + <name> + <given>Justin</given> + <common>Hibbits</common> + </name> + <email>jhibbits@FreeBSD.org</email> + </person> + </contact> + + <links> + <url href="https://svnweb.freebsd.org/base/projects/powerpcspe/">Source tree</url> + </links> + + <body> + <p>The purpose of this is to enable use of the Signal Processing + Engine found in the NXP/Freescale e500v2 SoC. The SPE uses + opcodes overlapping with Altivec, so is mutually exclusive. + Additionally, the e500v2 does not have a traditional FPU, and + instead uses the SPE for all floating point operations (or + emulation as is currently done). Combined with the fact that + the SPE ABI is incompatible with traditional ABI, a new + MACHINE_ARCH is created to address this.</p> + + <p>A project branch has been created with the work. A + powerpcspe kernel boots on the RouterBoard RB800, and base + utilities run properly.</p> + </body> + + <help> + <task> + <p>Potentially optimizing setjmp/longjmp to not use SPE unless + it's already been enabled. This would save the kernel + switch for processes that don't otherwise use the SPE. This + is a low priority task which may not be completed.</p> + </task> + </help> + </project> </report>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201604122059.u3CKxhAV040895>